diff --git a/io_scene_psk_psa/helpers.py b/io_scene_psk_psa/helpers.py
index 47a2e02..ab8bfa1 100644
--- a/io_scene_psk_psa/helpers.py
+++ b/io_scene_psk_psa/helpers.py
@@ -27,7 +27,9 @@ def get_nla_strips_in_timeframe(object, frame_min, frame_max) -> List[NlaStrip]:
     strips = []
     for nla_track in object.animation_data.nla_tracks:
         for strip in nla_track.strips:
-            if strip.frame_start >= frame_min and strip.frame_end <= frame_max:
+            if (strip.frame_start < frame_min and strip.frame_end > frame_max) or \
+                    (frame_min <= strip.frame_start < frame_max) or \
+                    (frame_min < strip.frame_end <= frame_max):
                 strips.append(strip)
     return strips
 
diff --git a/io_scene_psk_psa/psa/builder.py b/io_scene_psk_psa/psa/builder.py
index 20a5f6f..4cefce5 100644
--- a/io_scene_psk_psa/psa/builder.py
+++ b/io_scene_psk_psa/psa/builder.py
@@ -119,6 +119,7 @@ class PsaBuilder(object):
             pass
         elif options.sequence_source == 'TIMELINE_MARKERS':
             sequence_frame_ranges = self.get_timeline_marker_sequence_frame_ranges(armature, context, options)
+
             for name, (frame_min, frame_max) in sequence_frame_ranges.items():
                 export_sequence = ExportSequence()
                 export_sequence.action = None
@@ -142,9 +143,10 @@ class PsaBuilder(object):
 
             frame_min = export_sequence.frame_min
             frame_max = export_sequence.frame_max
+            frame_count = frame_max - frame_min + 1
 
             psa_sequence.name = bytes(export_sequence.name, encoding='windows-1252')
-            psa_sequence.frame_count = frame_max - frame_min + 1
+            psa_sequence.frame_count = frame_count
             psa_sequence.frame_start_index = frame_start_index
             psa_sequence.fps = context.scene.render.fps